This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 284 |
| 2 | 1210 |
| 3 | 486178 |
| 4 | 12361622 |
| 5 | 39944086 |
| 6 | 6119799324639 |
| 7 | 15309719733555 |
| 8 | 36680009488425 |
| 9 | 20386078790473473 |
| 10 | 43160565196326158 |
| 11 | 1052608596326926425 |
| 12 | 6924667299336450388 |